Note 1 - Business Activities and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Oct. 31, 2021

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	2021			2020
Amortizable intangible assets:
Non-compete agreement (estimated life 5 years)	$	423		$	423
Accumulated amortization		(289	)		(245	)
		134			178
Customer relationships (estimated lives 7 - 15 years)		5,058			5,058
Accumulated amortization		(2,711	)		(2,367	)
		2,347			2,691
Backlog (estimated life 1 - 2 years)		287			287
Accumulated amortization		(287	)		(266	)
		-			21
Patents (estimated life 14 years)		368			368
Accumulated amortization		(110	)		(77	)
		258			291
Totals	$	2,739		$	3,181
Non-amortizable intangible assets:
Trademarks	$	1,174		$	1,174

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Year ending
October 31,	Amount
2022	$	374
2023		364
2024		364
2025		320
2026		320
Thereafter		997
Total	$	2,739

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	2021		2020
Numerators:
Consolidated net income (A)	$	6,181,000	$	(81,000	)
Denominators:
Weighted average shares outstanding for basic earnings per share (B)		9,978,683		9,678,822
Add effects of potentially dilutive securities - assumed exercise of stock options		175,556		-
Weighted average shares outstanding for diluted earnings per share (C)		10,154,239		9,678,822
Basic earnings per share (A)/(B)	$	0.62	$	(0.01	)
Diluted earnings per share (A)/(C)	$	0.61	$	(0.01	)